2023 Correct Practice Tests of JN0-663 Dumps with Practice Exam
Certification Sample Questions of JN0-663 Dumps With 100% Exam Passing Guarantee
Juniper JN0-663 Exam Syllabus Topics:
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Conclusion
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NEW QUESTION 23
Exhibit:
You have a Layer 3 VPN established between PE-1 and PE-2 as well as between PE-1 and PE-3. You are using a route reflector (RR-1) to distribute VPN routes to your IBGP peers. You are asked to ensure that only relevant routes are sent from RR-1 to each of the PE routers.
Referring to the exhibit, which statement is correct?
- A. You should use route target filtering only on RR-1 to control which routes are sent to each PE router.
- B. You should use route target filtering on RR-1 and all the PE devices to control which routes are sent to each PE router.
- C. You should use firewall filtering on RR-1 and all the PE devices to control which routes are sent to each PE router.
- D. You should use VRF export policies on RR-1 to control which routes are sent to each PE router.
Answer: A
NEW QUESTION 24
Exhibit:
A Layer 3 VPN exists in the provider network and the CE devices are connecting to the PE devices using BGP. The PE devices are receiving BGP routes from the CE devices and the PE devices have the CE BGP routes in their respective routing tables. However, the remote CE devices are not receiving the BGP routes.
Referring to the exhibit, what is the problem?
- A. A route distinguisher mismatch exists.
- B. A VRF target community mismatch exists.
- C. The PE devices are detecting an AS loop.
- D. The CE devices are detecting an AS loop
Answer: D
NEW QUESTION 25 
You manage an MX Series device which includes the configuration shown in the exhibit. Traffic marked with DSCP 000011 is entering the ge-1/0/4 interface at 102 Mbps. The traffic exits the device on the ge-1/0/5 interface. No other traffic is transiting the router.
In this scenario, what happens to traffic exceeding 100 Mbps?
- A. Traffic exceeding 100 Mbps is dropped.
- B. Traffic exceeding 100 Mbps is buffered.
- C. Traffic exceeding 100 Mbps is forwarded.
- D. Traffic exceeding 100 Mbps is redirected to a rate limiter.
Answer: A
NEW QUESTION 26
Exhibit.
R2 is receiving a route from an EBGP neighbor and is advertising the route to R4 Referring to the exhibit, which configuration on R2 will solve the issue with the route on R4?
- A. Move the no-advertise export policy from group 65001 to a global BGP policy.
- B. Move the no-export policy from a global BGP import policy to an import policy under group 65001.
- C. Move the ahs policy from a global BGP export policy to an export policy under group 65002
- D. Move the no-advertise export policy from group 65002 to a global BGP policy.
Answer: C
NEW QUESTION 27
You are creating a new LDP signaled Layer 2 circuit between three customer sites.
In this scenario, which two statements are correct? (Choose two.)
- A. You are allowed to tunnel your LDP sessions through RSVP LSPs.
- B. LDP is used to exchange the virtual circuit labels with other PEs.
- C. You are not allowed to use any RSVP-signaled LSPs in your core network.
- D. BGP is used to exchange the virtual circuit labels with other PEs.
Answer: A,B
NEW QUESTION 28
Exhibit:
You are receiving the same 200.0.0.0/24 BGP route from four different ISPs.
Referring to the exhibit, which ISP's route would be selected as active?
- A. ISP-B
- B. ISP-A
- C. ISP-C
- D. ISP-D
Answer: D
NEW QUESTION 29 
Which three statements are true about the show pim joinoutput shown in the exhibit? (Choose three.)
- A. The multicast receiver is still using the RP to receive the stream.
- B. The shortest path to the source is through the RP.
- C. The multicast stream has been configured with a backup path to allow for fast reroute.
- D. This is a source-specific multicast stream.
- E. The multicast stream does not have an RP.
Answer: B,C,E
NEW QUESTION 30
Exhibit:
CE-1, CE-2, and CE-3 are part of a single VPLS VPN An Ethernet frame has just arrived at PE-3 from CE-3.
It has a source MAC address of CE-3 and a destination MAC address of CE-1. You want to know what PE-3 does with the Ethernet frame.
Referring to the exhibit, which statement is correct?
- A. It forwards the packet to PE-1 and PE-2.
- B. It forwards the packet to PE-1 only.
- C. It drops the packet because the destination MAC address is not for PE-3.
- D. It drops the packet because the destination MAC address is not in PE-3's MAC table.
Answer: A
NEW QUESTION 31
Exhibit:
Referring to the exhibit, you are asked to summarize all routes in the 10.10.0 0/22 address range ensuring that a single summary route is present in area 49.0002 while the IS-IS internal contributing routes are restricted to area 49.0001. All other routes must not be affected.
Which two operations would have to be performed on R2 to accomplish this task? (Choose two.)
- A. Create and apply a policy with two terms; one to accept the summary route and one to reject the contributing routes.
- B. Create and apply a policy with a single term to accept only the summary route.
- C. Include the to level 2 match criteria when referencing the summary route.
- D. Include the from level 1 match criteria when referencing the summary route.
Answer: A,C
NEW QUESTION 32
Exhibit.
You are providing camer-of-carner VPN services for AS 100 and AS 200 You want to distribute MPLS labels between your PE routers and the AS 100 and AS 200 CE routers.
What must be enabled to accomplish this task?
- A. Use RSVP with the tunnel-services parameter enabled
- B. Use BGP with the inet-vpn address family enabled
- C. Use BGP with the labeled-unicast address family enabled
- D. Use RSVP with the lsp-set parameter enabled
Answer: B
NEW QUESTION 33
Exhibit.
Referring to the exhibit, which statement is true?
- A. The BGP session between R1 and R2 will establish correctly and the met unicast and the met6 unicast NLRIs will pass routing information
- B. The BGP session between R1 and R2 will establish correctly and only the met unicast NLRI will pass routing information
- C. The BGP session between R1 and R2 will establish correctly and only the inet6 unicast NLRI will pass routing information
- D. The BGP session between R1 and R2 will fail to establish correctly due to an NLRI mismatch
Answer: A
NEW QUESTION 34
Exhibit.
R2 is receiving a route from an EBGP neighbor and is advertising the route to R4 Referring to the exhibit, which configuration on R2 will solve the issue with the route on R4?
- A. Move the no-advertise export policy from group 65001 to a global BGP policy.
- B. Move the no-export policy from a global BGP import policy to an import policy under group 65001.
- C. Move the no-advertise export policy from group 65002 to a global BGP policy.
- D. Move the ahs policy from a global BGP export policy to an export policy under group 65002
Answer: C
NEW QUESTION 35
Exhibit:
Referring to the exhibit, you want to reduce the CPU processing load on PE 2 by preventing the receipt of routes belonging to Customer B.
In this scenario, which Layer 3 VPN scaling mechanism provides this functionality?
- A. route target filtering
- B. route origin
- C. route reflection
- D. route refresh
Answer: A
NEW QUESTION 36
Exhibit:
Referring to the exhibit, you have recently established a Layer 3 VPN between PE-1 and PE-2, connecting the two CE sites. Rowing information is being shared between sites and the customer has two-way communication After adding this VPN to your core network, PE-1 and PE-2 are no longer able to forward traffic to the Internet.
In this scenario, what is the problem?
- A. You must configure a separate internal BGP group on both your PE devices specifically for Internet connectivity.
- B. You must configure the inet unicast NLRI for the BGP session on both your PE devices.
- C. You must configure the inet-vpn NLRI for the BGP sessions on both your PE devices.
- D. You must configure a multihop external BGP session between your PE devices and the Internet provider's ISP-A device.
Answer: B
NEW QUESTION 37
Which two statements regarding Ethernet segments (ES) are correct? (Choose two.)
- A. The Type-2 EVPN route will indicate if there is a designated forwarder on the ES.
- B. The Type-4 EVPN route will be used to elect the designated forwarder for the ES.
- C. The Type-3 EVPN route will be used for the aliasing function to load-balance to the ES.
- D. The Type-1 EVPN route will indicate if the ES is all-active or single-active.
Answer: B,D
NEW QUESTION 38
Exhibit:
Referring to the exhibit, you have recently established a Layer 3 VPN between PE-1 and PE-2, connecting the two CE sites. Rowing information is being shared between sites and the customer has two-way communication After adding this VPN to your core network, PE-1 and PE-2 are no longer able to forward traffic to the Internet.
In this scenario, what is the problem?
- A. You must configure a separate internal BGP group on both your PE devices specifically for Internet connectivity.
- B. You must configure the inet unicast NLRI for the BGP session on both your PE devices.
- C. You must configure the inet-vpn NLRI for the BGP sessions on both your PE devices.
- D. You must configure a multihop external BGP session between your PE devices and the Internet provider's ISP-A device.
Answer: B
NEW QUESTION 39
Exhibit:
Which two statements regarding the output shown in the exhibit are correct? (Choose two.)
- A. The type of connection is remote.
- B. The label associated with this virtual circuit is out of range.
- C. The PEs have matching control word values.
- D. The type of connection is local.
Answer: A,C
NEW QUESTION 40
Exhibit:
Referring to the exhibit, a Layer 3 VPN is configured, however, the routes are being hidden.
What is the problem?
- A. A VRF target community mismatch exists between the peers.
- B. A route distinguisher mismatch exists between the peers.
- C. An active MPLS tunnel does not exist between the peers.
- D. The BGP peer is not reachable through the IGP.
Answer: C
NEW QUESTION 41 
R1 assigns incoming voice traffic to the ef forwarding class. All other traffic is assigned to the best-effort forwarding class. You have configured a CoS re-write rule on R1 to include the correct CoS bit values in packets sent towards R2. You want R2 to classify traffic using the CoS markings created by R1.
Which two configuration steps are necessary to accomplish this task? (Choose two.)
- A. Assign the CoS re-write rule to the ge-0/0/1.0 interface on R2.
- B. Configure a CoS re-write rule on R2 and assign matching CoS values.
- C. Assign the behavior aggregate classifier to the ge-0/0/1.0 interface on R2.
- D. Configure a behavior aggregate classifier on R2.
Answer: A,C
NEW QUESTION 42
Exhibit:
Traffic is being sent from R2 to R3. The link between R2 and R3 fails.
Referring to the exhibit, which statement is correct?
- A. Traffic will automatically reroute using the shortest path, which is R2 to R1 to R3.
- B. Traffic will automatically reroute distributed between all available paths.
- C. Traffic will automatically reroute using R2 to R4 to R1 to R3.
- D. Manual intervention is required for traffic to be rerouted.
Answer: C
NEW QUESTION 43
Exhibit.
Referring to the exhibit, which OSPFv3 configuration is implemented on router R1?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option D
- D. Option A
Answer: B
Explanation:
A logical interface can be configured as primary interface only for one area. For any other area for which you configure the interface, you must configure it as a secondary interface. https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/secondary-edit-protocols-ospf.html
NEW QUESTION 44
Exhibit:
A Layer 3 VPN exists in the provider network and the CE devices are connecting to the PE devices using BGP. The PE devices are receiving BGP routes from the CE devices and the PE devices have the CE BGP routes in their respective routing tables. However, the remote CE devices are not receiving the BGP routes.
Referring to the exhibit, what is the problem?
- A. A route distinguisher mismatch exists.
- B. A VRF target community mismatch exists.
- C. The PE devices are detecting an AS loop.
- D. The CE devices are detecting an AS loop
Answer: D
NEW QUESTION 45
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